Researchers say the remains are “a mosaic of primitive and derived traits never seen before.” Dental remains dating back 300,000 years, which were discovered at a well-known Chinese archaeological ...

Around 2% of modern humans carry Neanderthal DNA, meaning we know early humans got super intimate with our now-extinct relatives. According to new research, when Neanderthals and humans did hit it off ...

Evolutionary theories of human sexuality have tended to describe people as generally preferring either short or long-term mating strategies. Hence, the idea that human sexuality falls on a continuum ...

In the animal kingdom, penises can be spiked, split, corkscrewed – even detachable. They’re one of the most diverse structures in biology. The human penis is so uniform, it’s an anatomical outlier.